how much do you guys think a junkyard 350 tpi will be? i have a 305 andi want to take it up a notch....also how much do you think i'll wind up costing to pretty much overhaul the motor and make it a little bit more quick (keep in mind that its my daily driver) my 305 has 140k miles on it and today i just got beat by some v6 mustang on the parkway....pretty pitiful lol
-not gonna even put my name cuz im too ashamed of being beaten by a v6 msutang

 

well machine work would probably be around 500$ total on your engine,

i'd get a comp cams cam kit for it which im not sure what they run for a roller engine but, you realy dont need lifters on a roller engine providing yours are still operational so basically just seals, locks, retainers and springs, couldnt be to terrible say 400$ there maybe?

then a rebuild kit which is about 300 these are all generalized guesses.

as for a tpi 350 the yeards around me will let you have 1 for 800 that includes full harness, tranny and pcm, but, there is no gurantees for the engine and tranny, only gurantee is your getting a full tpi setup which may have some of its own problems.

i myself would probably just redo the 305, on auto cars they are rated 190 hp ,with a cam swap and a little porting you can easily overcome the 350s standard 240fwhp rating.

plus you would know the engine and tranny are fine that way, instead of installing it, finding you have a problem and having to yank it again (nothing worse than that).

btw if you live in ohio, i have a perfect bareblock 305lg4 casting, ever so slightly ported heads, pistons, rods factory springs, retainers and locks and all that junk too, you can have it all for 50$ bux if you want, i was planning on installing it in my old car but, ended up totaling it and buying a 305 5 spd tpi car instead which has a newly rebuilt 305 in it, so i no longer need it.

if interested in the engine it will save you machine work as it only had 38k miles on it when i received it (i spec'd everything after and decided to fully rebuilt it while it was out and ball hone/clean everything up nice). So basically all you would need for machine work is the crank (2 rod journals on mine are ever so slightly scratched from my dad being not so careful moving it around).

im sure that'd be less than 100 bux, plus you'd need a machine shop or a press to press new pistons on it when you get your rebuilt kit but, thats still less than 100$

 

Price on a motor will depend on where you live, what yard, what condition the motor is in, any surely more things. Hard to give an honest answer.

As for getting beat by a v6 stang.. I assume its a newer model one? If so, they come stock with the same HP rating our v8's did back in the day. Just less torque. No surprise to me on getting beat by one.

As for your gain.. 30-40 hp if you build it stock. Id upgrade a cam, and maybe a few other goodies along the way. Since you already have a TPI intake, you could get a roller block only out of a truck, then some new injectors. If you get a new enough truck block, you could get the vortec heads, get a vortec TPI intake, then your talking a total 75hp'ish gain.

 

Or you can start with a better platform (350) and make more power. Why bother rebuilding a 305 when it costs just as much to do a 350?

 

because, that same 350 is still rated with less power and has the same bottlenecks as the 305 + a junkyard 350 tpi engines around here have no gurantee,

safe to say i'd rather have 300hp 305 with a new rebuild then a who knows how many miles, 350 with 60 hp less.

hell the 305 could be built for less money than the tpi 350s around here.

just my opinion, you have yours i have mine no big deal.

i personally have terrible luck so my luck is i'd get the 350 with 200k miles that spews oil and throws a rod at first start...... I'd much rather have a rebuilt than a who knows sorta motor.

 

well i live in NJ, and i'd be getting the 350, bringing it into my basement and overhauling it...my dad has been a gm mechanic for about 30 years so i'm hoping he'd be able to help diagnose anythign that is wrong with it...i'd take about all winter into the end of summer taking my time with it and possibly putting in a t5 tranny...i dunno....all of htis is a lot of work lol

and by the way, i'm a bit more relieved to hear that no one here would really expect my car to beat a v6 mustang lol...although its embarrassing, im glad to know it haha

 

Get a Vortec longblock, swap out the head gaskets to 1094 felpros (around $20 ea.), swap the springs to some 918 beehives, roller tip 1.6 rockers and a 214/218 roller cam and double roller chain with a vortec base. Probably would cost you around $1500. Use your existing TPI goodies, port the plenum and put some some SLP runners on. Without exhaust you would have the engine done for around $2000 and it would make plenty of power. You could probably stretch it and even get a proper tune and some 24# injectors for that price. Then just make sure you have some exhaust and you would be good to go.

You could even do it in stages if you needed to save up for it. I would just do it on a stand while you drive what you have and swap it over a weekend.